<template>
  <div class="page-register">
    <article class="header">
      <header>
        <a href="/" class="site-logo"/>
        <span class="login">
          <em class="bold">已有美团账号？</em>
          <a href="/login">
            <el-button type="primary" size="small">登录</el-button>
          </a>
        </span>
      </header>
    </article>
    <section>
      <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
        <el-form-item label="昵称" prop="name">
          <el-input v-model="ruleForm.name"/>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="ruleForm.email"/>
          <el-button size="mini" round @click="sendMsg">发送验证码</el-button>
          <span class="status">{{statusMsg}}</span>
        </el-form-item>
        <el-form-item label="验证码" prop="code">
          <el-input v-model="ruleForm.code" maxlength="4"/>
        </el-form-item>
        <el-form-item label="密码" prop="pwd">
          <el-input v-model="ruleForm.pwd" type="password"/>
        </el-form-item>
        <el-form-item label="确认密码" prop="cpwd">
          <el-input v-model="ruleForm.cpwd" type="password"/>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="register">同意以下协议并注册</el-button>
          <div class="error">{{error}}</div>
        </el-form-item>
        <el-form-item>
          <a class="f1" href="http://www.meituan.com/about/terms" target="_blank">《美团网用户协议》</a>
        </el-form-item>
      </el-form>
    </section>
  </div>
</template>

<script type="text/ecmascript-6">
  import CryptoJs from 'crypto-js'

  export default {
    layout: 'blank',
    data() {
      return {
        statusMsg: '',
        error: '',
        ruleForm: {
          name: '',
          email: '',
          code: '',
          pwd: '',
          cpwd: ''
        },
        rules: {
          name: [{
            required: true,
            type: 'string',
            message: '请输入昵称',
            trigger: 'blur'
          }],
          email: [{
            required: true,
            type: 'email',
            message: '请输入邮箱',
            trigger: 'blur'
          }],
          pwd: [{
            required: true,
            message: '创建密码',
            trigger: 'blur'
          }],
          cpwd: [
            {
              required: true,
              message: '确认密码',
              trigger: 'blur'
            },
            {
              validator: (rule, value, callback) => {
                if (value === '') {
                  callback(new Error('请再次输入密码'))
                } else if (value !== this.ruleForm.pwd) {
                  callback(new Error('两次输入密码不一致'))
                } else {
                  callback()
                }
              },
              trigger: 'blur'
            }
          ]
        }
      }
    },
    methods: {
      sendMsg() {
        let namePass
        let emailPass
        if (this.timerid) {
          return false
        }
        this.$refs['ruleForm'].validateField('name', (valid) => {
          namePass = valid
        })
        this.statusMsg = ''
        if (namePass) {
          return false
        }
        this.$refs['ruleForm'].validateField('email', (valid) => {
          emailPass = valid
        })
        if (!namePass && !emailPass) {
          this.$axios.post('/users/verify', {
            username: encodeURIComponent(this.ruleForm.name),
            email: this.ruleForm.email
          }).then(({status, data}) => {
            if (status === 200 && data && data.code === 0) {
              let count = 60
              this.statusMsg = `验证码已发送，剩余${count--}秒`
              this.timerid = setInterval(() => {
                this.statusMsg = `验证码已发送，剩余${count--}秒`
                if (count === 0) {
                  clearInterval(this.timerid)
                }
              }, 1000)
            } else {
              this.statusMsg = data.msg
            }
          })
        }
      },
      register() {
        this.$refs['ruleForm'].validate(valid => {
          if (valid) {
            this.$axios.post('/users/signup', {
              username: window.encodeURIComponent(this.ruleForm.name),
              password: CryptoJs.MD5(this.ruleForm.pwd).toString(),
              email: this.ruleForm.email,
              code: this.ruleForm.code
            }).then(({status, data}) => {
              if (status === 200) {
                if (data && data.code === 0) {
                  location.href = '/login'
                } else {
                  this.error = data.msg
                }
              } else {
                this.error = `服务器出错，错误码${status}`
              }
              setTimeout(() => {
                this.error = ''
              }, 1500)
            })
          }
        })
      }
    }
  }
</script>

<style lang="sass">
  @import '@/assets/css/register/index.scss'
</style>
